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Finding the Third Proportional to 38,351,905 and 82,395,842

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Solution

The third proportional to 38,351,905 and 82,395,842 is: 177,020,535.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,351,905 : 82,395,842 = 82,395,842 : x
  2. Step 2: Convert to fraction form
    38,351,905/82,395,842 = 82,395,842/x
  3. Step 3: Cross multiply
    38,351,905x = 82,395,842 × 82,395,842
  4. Step 4: Simplify right side
    38,351,905x = 6,789,074,778,888,964
  5. Step 5: Solve for x
    x = 6,789,074,778,888,964/38,351,905
  6. Step 6: Final answer
    x = 177,020,535.98

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.